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Edexcel AS Product Design - Materials > Thermoplastics > Flashcards

Thermoplastics Flashcards

1
Q

Give 5 properties of acrylic

A 
Stiff
Hard
Durable
Easily scratched
Good electrical insulator
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2
Q

Give 3 disadvantages of acrylic

A

Brittle
Can break
Scratches easily

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3
Q

What are the applications of acrylic?

A

Lighting
CD cases
Baths

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4
Q

Name the 3 different types of polyethylene

A

HDPE
LDPE
PET

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5
Q

Give 4 properties of HDPE

A

Good electrical insulator
Chemical resistant
Impact resistant
Flexible

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6
Q

Give 2 disadvantages of HDPE

A

Colour fades over time

Can break under stress

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7
Q

What are the applications of HDPE?

A

Water tanks

Buckets

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8
Q

Give 3 properties of LDPE

A

Good electrical insulator
Chemical resistant
Flexible

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9
Q

Give 2 disadvantages of LDPE

A

Colour fades over time

Can break under stress

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10
Q

What are the applications of LDPE?

A

Cable insulation

Dustbin bags

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11
Q

Give 3 properties of PET (Polyethylene Terephthalate)

A

Chemical resistant
High impact resistance
High tensile strength

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12
Q

Give 2 disadvantages of PET (Polyethylene Terephthalate)

A

Can discolour

Needs to be treated to prevent taste problems when used in food containers

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13
Q

What is an application of PET (Polyethylene Terephthalate)?

A

Fizzy drink bottles

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14
Q

Give 6 properties of PVC (Polyvinyl Chloride)

A 
Good chemical resistance
Weather resistant
Stiff
Tough
Hard
Lightweight
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15
Q

Give a disadvantage of PVC (Polyvinyl Chloride)

A

UV light causes brittleness

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16
Q

What are the applications of PVC (Polyvinyl Chloride)?

A

Electrical wiring insulation

Pipes for guttering

17
Q

Give 4 properties of PP (Polypropylene)

A

Lightweight
Hard
Impact resistant
Chemical resistant

18
Q

Give 2 disadvantages of PP (Polypropylene)

A

UV causes degradation

Oxidation can be a problem during manufacturing

19
Q

What are the applications of PP (Polypropylene)?

A

Medical syringes
Carpets
Kitchenware

20
Q

Give 3 properties of PS (Polystyrene)

A

Compressed:
Light
Hard
Low impact strength

Expanded:
Buoyant
Lightweight
Good insulator

21
Q

Give 2 disadvantages of PS (Polystyrene)

A

Compressed:
Weak
Ignites easily

Expanded:
Breaks easily
Ignites easily

22
Q

What are the applications of PS (Polystyrene)?

A

Compressed:
CD cases
Refrigerator lining

Expanded:
Packaging
Insulation

23
Q

Give 3 properties of ABS (Acrylonitrile Butadiene Styrene)

A

Chemical resistant
Hard
Tough

24
Q

Give a disadvantage of ABS (Acrylonitrile Butadiene Styrene)

A

UV causes degradation

25
Q

What are the applications of ABS (Acrylonitrile Butadiene Styrene)?

A

Mobile phones

Safety helmets

Edexcel AS Product Design - Materials (9 decks)

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